An army of knights is being transported in a fleet of ships, probably to take part in the siege of Troy. A king travels in the largest ship. From "Les Livres des Histoires du commencement du monde",Medieval Manuscript illuinated The British Library,London

Sea Journal of the ship "Lloyd" to Dominica, West Indies, January 1771

Pretty medieval manuscript of the day is another ship. The book dates from the fifteenth century and is by Gregorio Dati. Image source: New York Public Library, Spencer Collection MS MA Image believed to be in the public dom